Many hair products contain endocrine‐disrupting compounds and carcinogens.

Rosie McCall, writing in Newsweek »

Women who regularly use permanent hair dye could be increasing their risk of breast cancer up to 60 percent, according to scientists writing in the International Journal of Cancer.

A study based on the medical records of more than 45,000 women found a positive correlation between permanent hair dye and breast cancer—particularly among those who are black.

While the paper is based on patterns and trends and, as such, doesn’t confirm a direct cause, it adds to research suggesting there may be carcinogens lurking in commonly-used beauty products.

Read the whole article in Newsweek »

Source » International Journal of Cancer

More » NPR, Fast Company